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  • AIOUG TechDay @ Lovely Professional University, Jalandhar, India

    - by Tori Wieldt
    by guest blogger Jitendra Chittoda, co-leader, Delhi and NCR JUG On 30 August 2013, Lovely Professional University (LPU) Jalandhar organized an All India Oracle User Group (AIOUG) TechDay event on Oracle and Java. This was a full day event with various sessions on J2EE 6, Java Concurrency, NoSQL, MongoDB, Oracle 12c, Oracle ADF etc. It was an overwhelming response from students, auditorium was jam packed with 600+ LPU energetic students of B.Tech and MCA stream. Navein Juneja Sr. Director LPU gave the keynote and introduced the speakers of AIOUG and Delhi & NCR Java User Group (DaNJUG). Mr. Juneja explained about the LPU and its students. He explained how Oracle and Java is most used and accepted technologies in world. Rohit Dhand Additional Dean LPU came on stage and share about how his career started with Oracle databases. He encouraged students to learn these technologies and build their career. Satyendra Kumar vice-president AIOUG thanked LPU and their stuff for organizing such a good technical event and students for their overwhelming response.  He talked about the India Oracle group and its events at various geographical locations all over India. Jitendra Chittoda Co-Leader DaNJUG explained how to make a new Java User Groups (JUG), what are its benefits and how to promote it. He explained how the Indian JUGs are contributing to the different initiatives like Adopt-a-JSR and Adopt-OpenJDK. After the inaugural address event started with two different tracks one for Oracle Database and another for Java and its related technologies. Speakers: Satyendra Kumar Pasalapudi (Co-founder and Vice President of AIOUG) Aman Sharma (Oracle Database Consultant and Instructor) Shekhar Gulati (OpenShift Developer Evangelist at RedHat) Rohan Walia (Oracle ADF Consultant at Oracle) Jitendra Chittoda (Co-leader Delhi & NCR JUG and Senior Developer at ION Trading)

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  • Excel 2007 - "The macro may not be available in this workbook" Error

    - by Psycho Bob
    We use an Excel sheet that has been protected to prevent modification of it from end users. All in all they are only able to edit certain tabs to add information that will then be used to generate information on other tabs using equations and such. On the tab with the equations, a button is present called "Prep for Internal Hard Copy Print." This button runs a macro that selects the information on the tab, unprotects it, then sends a print job to the user's default printer that contains the unprotected content. Normally this works like a champ. This time around, however, the macro is throwing the following error: Cannot run the macro "FILENAME.xlsx'!MacroName'. The macro may not be available in this workbook or all macros may be disabled. As far as I can tell, the macros are still present within the workbook. This sheet is normally a .xlsm though the user saved it with a different filename as a .xlsx. Also, the macros appear only as MacroName in the .xlsm file and not "FILENAME.xlsx'!MacroName' as it does in the .xlsx. Finally, when I open the .xlsm it asks if I want to enable the macro content while the .xlsx does not prompt for this. Can anyone tell me what's going on with this sheet or know of a way that I can get the macros working in the .xlsx without having to start over with a different sheet?

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  • Trigger event on click except for checkbox + label

    - by Jamaica Bob
    I have a table row, which triggers an event when clicked. There are (not displayed) checkbox + its styled label inside the row. What i want is to prevent (i guess with :not or .not() but cant figure it out) the execution if checkbox/label is clicked. HTML: <center> <table> <tr class='pend'> <td><input type="checkbox" id="bb"/> <label for="bb">X</label></td> <td>&nbsp;</td> <td>some text</td> </tr> </table> </center> CSS: center { margin-top:20px; } input[type=checkbox] + label { width:10px; height:10px; background-color:red; } input[type=checkbox] { display:none; } table tr { height:40px; background-color:gray; } table td { padding:5px; } JS: $('.pend').on('click',function(){ $(this).append('text'); return false; }) JSFIDDLE: http://jsfiddle.net/ySuGB/2/

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  • Why were namespaces removed from ECMAScript consideration?

    - by Bob
    Namespaces were once a consideration for ECMAScript (the old ECMAScript 4) but were taken out. As Brendan Eich says in this message: One of the use-cases for namespaces in ES4 was early binding (use namespace intrinsic), both for performance and for programmer comprehension -- no chance of runtime name binding disagreeing with any earlier binding. But early binding in any dynamic code loading scenario like the web requires a prioritization or reservation mechanism to avoid early versus late binding conflicts. Plus, as some JS implementors have noted with concern, multiple open namespaces impose runtime cost unless an implementation works significantly harder. For these reasons, namespaces and early binding (like packages before them, this past April) must go. But I'm not sure I understand all of that. What exactly is a prioritization or reservation mechanism and why would either of those be needed? Also, must early binding and namespaces go hand-in-hand? For some reason I can't wrap my head around the issues involved. Can anyone attempt a more fleshed out explanation? Also, why would namespaces impose runtime costs? In my mind I can't help but see little difference in concept between a namespace and a function using closures. For instance, Yahoo and Google both have YAHOO and google objects that "act like" namespaces in that they contain all of their public and private variables, functions, and objects within a single access point. So why, then, would a namespace be so significantly different in implementation? Maybe I just have a misconception as to what a namespace is exactly.

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  • Hidden/Shown AsyncFileUpload Control Doesn't Fire Server-Side UploadedComplete Event

    - by Bob Mc
    I recently came across the AsyncFileUpload control in the latest (3.0.40412) release of the ASP.Net Ajax Control Toolkit. There appears to be an issue when using it in a hidden control that is later revealed, such as a <div> tag with visible=false. Example: Page code - <%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="act" %> . . . <act:ToolkitScriptManager runat="server" ID="ScriptManager1" /> <asp:UpdatePanel runat="server" ID="upnlFileUpload"> <ContentTemplate> <asp:Button runat="server" ID="btnShowUpload" Text="Show Upload" /> <div runat="server" id="divUpload" visible="false"> <act:AsyncFileUpload runat="server" id="ctlFileUpload" /> </div> </ContentTemplate> </asp:UpdatePanel> Server-side Code - Protected Sub ctlFileUpload_UploadedComplete(ByVal sender As Object, ByVal e As AjaxControlToolkit.AsyncFileUploadEventArgs) Handles ctlFileUpload.UploadedComplete End Sub Protected Sub btnShowUpload_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnShowUpload.Click divUpload.Visible = True End Sub I have a breakpoint on the UploadedComplete event but it never fires. However, if you take the AsyncFileUpload control out of the <div>, making it visible at initial page render, the control works as expected. So, is this a bug within the AsynchUploadControl, or am I not grasping a fundamental concept (which happens regularly)?

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  • How to turn off MVC.NET version 2's RequireHttps attribute?

    - by Bob
    I see that version 2 of MVC.NET now has a RequireHttps attribute, which works great for me. However, what's a good strategy for turning the effect off? For example, I want to use Https on some pages, but regular Http on others. Should I create my own RequireHttp attribute? EDIT: I'm using my own RequireHttp attribute, and it works fine, but I'm wondering if there's some built-in functionality in MVC.NET Version 2 that I'm missing. EDIT 2: I must not have been clear. My question concerns the following: if you use RequireHttps, then any requests after that will be over Https even if the Controller or Action is not decorated with RequireHttps. Unless I'm mistaken, you need a 2nd attribute such as RequireHttp to redirect requests to Http instead of Https.

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  • Building an analytics dashboard in Rails

    - by Bob
    I'm looking to build a Rails app to do internal reporting (make charts or general data visualizations, create reports, show statistical analyses, etc.) on data my company collects. What would be helpful in building this? For example, any Rails/Javascript libraries I should be familiar with, or any open source analytics apps or existing dashboard tools I should look at?

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  • Visual Studio Templates - adding additional pre-existing projects

    - by Bob Palmer
    Hey all, I'm working on a Visual Studio template where the generated project relies on a number of references, which happen to be other projects under source control. The question is how do I set this up in my ProjectGroup template? For example, if I have an already existing project at "C:\Stuff\MyUtilityProject\Utility.csproj" with a single file (Tools.cs) that I want to add to my template, how would I go about this? Here's what my vstempalte looks like. FYI - I am having no issues with the ProjectTemplateLink or creation of the Solution folder, just in adding the pre-existing Utility.csproj to my new solution: Thanks in advance! <VSTemplate Version="2.0.0" xmlns="http://schemas.microsoft.com/developer/vstemplate/2005" Type="ProjectGroup"> <TemplateData> <Name>MySampleSolution</Name> <Description>My Test Project</Description> <ProjectType>CSharp</ProjectType> <Icon>__TemplateIcon.ico</Icon> </TemplateData> <TemplateContent> <ProjectCollection> <SolutionFolder Name="Content"> <Project File="C:\Stuff\MyUtilityProject\Utility.csproj"> <ProjectItem>Tools.cs</ProjectItem> </Project> </SolutionFolder> <ProjectTemplateLink ProjectName="MyWorkingTemplate"> MyWorkingTemplate\MyTemplate.vstemplate </ProjectTemplateLink> </ProjectCollection> </TemplateContent> </VSTemplate>

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  • java.lang.UnsupportedClassVersionError: Bad version number in .class file?

    - by grmn.bob
    I am getting this error when I include an opensource library that I had to compile from source. Now, all the suggestions on the web indicate that the code was compiled in one version and executed in another version (new on old). However, I only have one version of JRE on my system. If I run the commands: $ javac -version javac 1.5.0_18 $ java -version java version "1.5.0_18" Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_18-b02) Java HotSpot(TM) Server VM (build 1.5.0_18-b02, mixed mode) and check in Eclipse for the properties of the java library, I get 1.5.0_18 Therefore, I have to conclude something else, internal to a class itself, is throwing the exception?? Is that even possible?

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  • Add a :filter param to the end of a url

    - by bob
    Hello, I am building an application that requires a search to go deeper than the initial level. I am using nested scopes to accomplish this and params in the URL For example, when a user searches for "handbag" it creates a query like the following. http://localhost:3000/junks?search=handbag&condition=&category=&main_submit=Go! I want to add a :filter param to the end of this url and reload the page with the new url. http://localhost:3000/junks?search=handbag&condition=&category=&main_submit=Go!&filter=lowest_price As shown above the &filter=lowest_price is added to the query. I have already written controller code to handle this and I know it works as long as the query is like the 2nd link above. my views code <div class = "filter_options"> <p> <strong>Filter by:</strong> <%= link_to_unless_current "Recent", :filter => 'recent' %> | <%= link_to_unless_current "Lowest Price", :filter => 'lowest_price' %> | <%= link_to_unless_current "Highest Price", :filter => 'highest_price' %> </p> </div> This is how I have it currently, which works if my URL does not have a search string attached to it. Unfortunately, this will go to a http://localhost:3000/junks?filter=lowest_price even if there is a search string. I would like to know how to create my links so that they add onto the search string shown in the 2nd code example. Additionally, if a search string with a filter is already present, it would only change that filter and resubmit the search string with the new filter. I hope I am being clear.

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  • Rails Message This User Button

    - by bob
    Hello, I am using this http://github.com/professionalnerd/simple-private-messages plugin in rails and I am on a user page show.html.erb - User and I want to put a button there that, when clicked, goes to the current user's inbox and populates the field call "send to" with the "user" name. How do I send that data along when the button is clicked? <%= link_to image_tag('send_message_button.jpg', :title => 'send #{user} a message', :alt => 'send #{user} a message'), new_user_message_path(current_user), :class=>'messageuser' %> This goes to the current_user's inbox. I want to send the "params[:user_id]" variable along with it so that I can then fill out the "send to" textbox in the inbox page with it. How do I send that params variable along with this button?

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  • robocode engine: how to design (write) the runtime engine -- the robot world

    - by Bob
    IBM has (had) a free learn-Java program called RoboCode, in which custom robots could be written that would then do battle in a 2D space. I would like to write the environment that supports such robots, but don't know what pattern or design to use. Each robot is a thread. Each thread is given a certain (indeterminate) amount of run-time by the JRE. A robot world engine would start by building a list of the players/robots, then enter a loop that allows each player in turn to do whatever it likes: move forward, turn left, fire toward the northwest corner, whatever. Each robot is also informed of events of interest: an enemy or several enemies are within range, it has been hit by a bullet, etc. The combination of handling threads that are also event listeners (are they also producers?) confuses me; it seems that there's more to the game engine. Even some general ideas would help. TIA.

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  • Membership.GetUser() within TransactionScope throws TransactionPromotionException

    - by Bob Kaufman
    The following code throws a TransactionAbortedException with message "The transaction has aborted" and an inner TransactionPromotionException with message "Failure while attempting to promote transaction": using ( TransactionScope transactionScope = new TransactionScope() ) { try { using ( MyDataContext context = new MyDataContext() ) { Guid accountID = new Guid( Request.QueryString[ "aid" ] ); Account account = ( from a in context.Accounts where a.UniqueID.Equals( accountID ) select a ).SingleOrDefault(); IQueryable < My_Data_Access_Layer.Login > loginList = from l in context.Logins where l.AccountID == account.AccountID select l; foreach ( My_Data_Access_Layer.Login login in loginList ) { MembershipUser membershipUser = Membership.GetUser( login.UniqueID ); } [... lots of DeleteAllOnSubmit() calls] context.SubmitChanges(); transactionScope.Complete(); } } catch ( Exception E ) { [... reports the exception ...] } } The error occurs at the call to Membership.GetUser(). My Connection String is: <add name="MyConnectionString" connectionString="Data Source=localhost\SQLEXPRESS;Initial Catalog=MyDatabase;Integrated Security=True" providerName="System.Data.SqlClient" /> Everything I've read tells me that TransactionScope should just get magically applied to the Membership calls. The user exists (I'd expect a null return otherwise.)

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  • Membership.GetUser() within TransactionScope throws TransactionAbortedException

    - by Bob Kaufman
    The following code throws a TransactionAbortedException with message "The transaction has aborted": using ( MyDataContext context = new MyDataContext() ) { using ( TransactionScope transactionScope = new TransactionScope() ) { Guid accountID = new Guid( Request.QueryString[ "aid" ] ); Account account = ( from a in context.Accounts where a.UniqueID.Equals( accountID ) select a ).SingleOrDefault(); IQueryable < My_Data_Access_Layer.Login > loginList = from l in context.Logins where l.AccountID == account.AccountID select l; foreach ( My_Data_Access_Layer.Login login in loginList ) { MembershipUser membershipUser = Membership.GetUser( login.UniqueID ); } } } The error occurs at the call to Membership.GetUser(). My Connection String is: <add name="MyConnectionString" connectionString="Data Source=localhost\SQLEXPRESS;Initial Catalog=MyDatabase;Integrated Security=True" providerName="System.Data.SqlClient" /> Everything I've read tells me that TransactionScope should just get magically applied to the Membership calls. The user exists (I'd expect a null return otherwise.)

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  • JAVA: Sort ArrayList<ArrayList<Integer>> on multiple columns

    - by Bob
    First, I did do my homework searching before posting here. My requirement seems to be slightly different compared to questions posted out there. I have a matrix like ArrayList<ArrayList<Integer>> in the following form | id1 | id2 | score | |-----|-----|-------| | 1 | 3 | 95% | | 1 | 2 | 100% | | 1 | 4 | 85% | | 1 | 5 | 95% | | 2 | 10 | 80% | | 2 | 15 | 99% | I want to sort the matrix column-wise (first using score, then the id1). I already have the id1 in a sorted manner. That means I also need to sort all records with the same id1 first by using score, second by the id2. The reason for doing this is to create a ranking of the id2 in each id1. The result for the above example would be: | q_id | d_id | rank | score | |------|------|------|-------| | 1 | 2 | 1 | 100% | | 1 | 3 | 2 | 95% | | 1 | 5 | 3 | 95% | | 1 | 4 | 4 | 85% | | 2 | 15 | 1 | 99% | | 2 | 10 | 2 | 80% | How can I achieve this in Java using some built-in methods of collections?

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  • Client Disconnected

    - by Bob Jones
    I am often getting a Client Disconnected message. I don't use load balancing - only a single IIS server. I need to know what is causing this and how to fix it. Here is the exception info: Type: System.Web.HttpException Message: The client disconnected. Exception Data: Source: System.Web TargetSite: Void ThrowError(System.Exception, System.String, System.String, Boolean) StackTrace: at System.Web.UI.ViewStateException.ThrowError(Exception inner, String persistedState, String errorPageMessage, Boolean macValidationError) at System.Web.UI.ObjectStateFormatter.Deserialize(String inputString) at System.Web.UI.ObjectStateFormatter.System.Web.UI.IStateFormatter.Deserialize(String serializedState) at System.Web.UI.Util.DeserializeWithAssert(IStateFormatter formatter, String serializedState) at System.Web.UI.HiddenFieldPageStatePersister.Load() at System.Web.UI.Page.LoadPageStateFromPersistenceMedium() at System.Web.UI.Page.LoadAllState() at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)

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  • Adding UIViewController.view to another view causes orientation problems

    - by Bob Vork
    Short version: I'm alloc/init/retaining a new UIViewController in one UIViewControllers viewDidLoad method, adding the new View to self.view. This usually works, but it seems to mess up orientation change handling of my iPad app. Longer version: I'm building a fairly complex iPad application, involving a lot of views and viewcontrollers. After running into some difficulties adjusting to the device orientation, I made a simple XCode project to figure out what the problem is. Firstly, I have read the Apple Docs on this subject (a small document called "Why won't my UIViewController rotate with the device?"), and while I do believe it has something to do with one of the reasons listed there, I'm not really sure how to fix it. In my test project I have an appDelegate, a rootViewController, and a UISplitViewController with two custom viewControllers. I use a button on the rootViewController to switch to the splitViewController, and from there I can use a button to switch back to the rootViewController. So far everything is great, i.e. all views adjust to the device orientation. However, in the right viewController of the splitViewController, I use the viewDidLoad method to initialize some other viewControllers, and add their views to its own view: self.newViewController = [[UIViewController new] autorelease]; [newViewController.view setBackgroundColor:[UIColor yellowColor]]; [self.view addSubview:newViewController.view]; This is where things go wrong. Somehow, after adding this view, adjusting to device orientation is messy. On startup everything is fine, after I switch to the splitViewController everything is still fine, but as soon as I switch back to the rootViewController it's all over. I have tried (almost) everything regarding retaining and releasing the viewcontroller, but nothing seems to fix it. As you can see from the code above, I have declared the newViewController as a property, but the same happens if I don't. Shouldn't I be adding a ViewController's view to my own view at all? That would really mess up my project, as I have a lot of viewControllers doing all sorts of things. Any help on this would be greatly appreciated...

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  • No Microphone error on iPod Touch

    - by Bob Vork
    I've build an iPhone app that should work on an iPod Touch as well, but I'm getting reports that the app is not working on iPod touches. It's displaying an error message saying there's no mic available on the device. The thing is, the app does nothing whatsoever with audio, and I can't find anything related in the project settings. The other problem is I don't have an iPod Touch available to test this myself. Are some people running an old firmware version? Am I compiling the wrong firmware version? To my surprise I couldn't find anything about this on SO or Google… Any help is appreciated

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  • Script stops while waiting for user input from STDIN.gets

    - by bob c
    I'm trying to do something like this, where I have two loops going in seperate threads. The problem I am having is that in the main thread, when I use gets and the script is waiting for user input, the other thread is stopped to wait as well. class Server def initialize() @server = TCPServer.new(8080) run end def run() @thread = Thread.new(@server) { |server| while true newsock = server.accept puts "some stuff after accept!" next if !newsock # some other stuff end } end end def processCommand() # some user commands here end test = Server.new while true do processCommand(STDIN.gets) end The above is just a sample of what I want to do. Is there a way to make the main thread block while waiting for user input?

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  • Namespace Orginization and Conventions

    - by Bob Dylan
    So I have a little bit of a problem. I working on a project in C# using The StackOveflow API. You can send it a request like so: http://stackoverflow.com/users/rep/126196/2010-01-01/2010-03-13 And get back something like this JSON response: [{"PostUrl":"1167342", "PostTitle":"Are ref and out in C# the same a pointers in C++?", "Rep":10}, {"PostUrl":"1290595", "PostTitle":"Where can I find a good tutorial on bubbling?", "Rep":10} ... So my problem is that I have some methods like GetJsonResponse() which return the above JSON and SaveTempFile() which saves that JSON response to a temporary file for later use. I not sure if I should create a class for them, or what namespace to put them under. Right now my current namespace hierarchy is like so: StackOverflow.Api.Json. So how should I organize these methods/classes/namespaces?

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  • Git checkout <SHA> and Heroku

    - by Bob
    I created a local Git repo on my laptop and then pushed the source to Heroku creating a remote branch. After a few days of commits and pushes, I need to rollback to an earlier commit. Here's what I did. cd <app root> git checkout 35fbd894eef3e114c814cc3c7ac7bb50b28f6b73 Someone told me that doing the checkout created a new working tree(?) and not the branch itself, so when I pushed the rollback changes to Heroku, it said everything is up to date and nothing was pushed. How do I fix this situation? Thanks for your help in advance.

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  • Rails add a param to the end of a search query

    - by bob
    Hello, I am trying to implement a sort on the returned results of a search with rails. Filter by: 'recent' % | 'lowest_price' % | 'highest_price' % here are my links. I would like to add a filter to the end of my search query. So for example, I submit a search and I get back results and in my url I have http://localhost:3000/junks?search=handbag&condition=&category=&main_submit=Go! I would then like the user to be able to click one of the above links and have the page come back with a new query (i have this set up in the controller like such) con_id = params[:condition] if params[:category].nil? || params[:category].empty? cat_id = params[:category] results = Junk.search params[:search], :with => { :category_id => cat_id, :condition_id => con_id } case params[:filter] when "lowest_price" @junks = results.lowest_price.paginate :page => params[:page], :per_page => 12 when "highest_price" @junks = results.highest_price.paginate :page => params[:page], :per_page => 12 else @junks = results.paginate :page => params[:page], :per_page => 12 end else I would like the user to be able to click on of the above links and append a filter param to the end of the search query so that my controller can pick it up and call the correct database queries as seen in the case statement above. I'm guessing the url will look like this http://localhost:3000/junks?search=handbag&condition=&category=&main_submit=Go!&filter="lowest_price" How can I do this? Is there a better way?

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